| Yun Liu
                I am a professor at the College of Computer Science, Nankai University.
                Previously, I served as a senior scientist at the Institute for Infocomm Research (I2R), A*STAR.
                Prior to that, I was a postdoctoral researcher in the Computer Vision Lab at ETH Zurich,
                working under the supervision of Prof. Luc Van Gool.
                I obtained both my bachelor's and doctoral degrees from Nankai University in 2016 and 2020, respectively,
                under the guidance of Prof. Ming-Ming Cheng.
                My research interests focus on computer vision and deep learning.
                 |   | 
            Hierarchical Relation Learning for Few-shot Semantic Segmentation in Remote Sensing Images
            Xin He, Yun Liu*, Yong Zhou*, Henghui Ding, Jiaqi Zhao, Bing Liu, and Xudong Jiang
            IEEE Transactions on Geoscience and Remote Sensing (TGRS), 2025
            [PDF]
            [Code]
            [Official Version]
          
            Exploiting Temporal State Space Sharing for Video Semantic Segmentation
            Syed Ariff Syed Hesham, Yun Liu*, Guolei Sun*, Henghui Ding, Jing Yang, Ender Konukoglu, Xue Geng, and Xudong Jiang
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2025
            [PDF]
            [Supplementary Material]
            [Code]
            [Official Version]
          
            Generalized Few-shot 3D Point Cloud Segmentation with Vision-Language Model
            Zhaochong An, Guolei Sun*, Yun Liu*, Runjia Li, Junlin Han, Ender Konukoglu, and Serge Belongie
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2025
            [PDF]
            [Supplementary Material]
            [Code]
            [Slides]
            [Official Version]
          
            Multimodality Helps Few-Shot 3D Point Cloud Semantic Segmentation
            Zhaochong An, Guolei Sun*, Yun Liu*, Runjia Li, Min Wu, Ming-Ming Cheng, Ender Konukoglu, and Serge Belongie
            International Conference on Learning Representations (ICLR), 2025
            [PDF]
            [Code]
            [Slides]
            [Official Version]
          
            STADe: Sensory Temporal Action Detection via Temporal-Spectral Representation Learning
            Bing Li, Haotian Duan, Yun Liu, Le Zhang, Wei Cui, and Joey Tianyi Zhou
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2025
            [PDF]
            [Code]
            [Official Version]
          
            Low-Resolution Self-Attention for Semantic Segmentation
            Yu-Huan Wu, Shi-Chen Zhang, Yun Liu, Le Zhang, Xin Zhan, Daquan Zhou, Jiashi Feng, Ming-Ming Cheng, and Liangli Zhen
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2025
            [PDF]
            [Code]
            [Official Version]
          
            Exploring Frequency-Inspired Optimization in Transformer for Efficient Single Image Super-Resolution
            Ao Li, Le Zhang, Yun Liu, and Ce Zhu
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2025
            [PDF]
            [Code]
            [Official Version]
          
            Learning Local and Global Temporal Contexts for Video Semantic Segmentation
            Guolei Sun, Yun Liu*, Henghui Ding, Min Wu, and Luc Van Gool
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2024
            [PDF]
            [Code]
            [Official Version]
          
            PSRR-MaxpoolNMS++: Fast Non-Maximum Suppression with Discretization and Pooling
            Tianyi Zhang, Chunyun Chen, Yun Liu*, Xue Geng, Mohamed M. Sabry Aly, and Jie Lin
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2024
            [PDF]
            [Official Version]
          
            Rethinking Few-shot 3D Point Cloud Semantic Segmentation
            Zhaochong An, Guolei Sun*, Yun Liu*, Fayao Liu, Zongwei Wu, Dan Wang, Luc Van Gool, and Serge Belongie
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2024
            [PDF]
            [Code]
            [Slides]
            [Official Version]
          
            Vision Transformers with Hierarchical Attention
            (First titled "Transformer in Convolutional Neural Networks")
            Yun Liu, Yu-Huan Wu, Guolei Sun, Le Zhang, Ajad Chhatkuli, and Luc Van Gool
            Machine Intelligence Research (MIR), 2024
            [PDF]
            [Code]
            [Official Version]
          
            Rethinking Global Context in Crowd Counting
            (First titled "Boosting Crowd Counting with Transformers")
            Guolei Sun, Yun Liu*, Thomas Probst, Danda Pani Paudel, Nikola Popovic, and Luc Van Gool
            Machine Intelligence Research (MIR), 2024
            [PDF]
            [Official Version]
          
            Towards Open-Vocabulary Video Semantic Segmentation
            Xinhao Li, Yun Liu, Guolei Sun, Min Wu, Le Zhang, and Ce Zhu
            IEEE Transactions on Multimedia (TMM), 2024
            [PDF]
            [Code]
            [Official Version]
          
            Revisiting Computer-Aided Tuberculosis Diagnosis
            Yun Liu, Yu-Huan Wu, Shi-Chen Zhang, Li Liu, Min Wu, and Ming-Ming Cheng
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2023
            [PDF]
            [Project Page]
            [Code]
            [Dataset on Google Drive]
            [Dataset on Baidu Yunpan]
            [中译版]
            [Online Challenge]
            [Official Version]
          
            Feature Modulation Transformer: Cross-Refinement of Global Representation via High-Frequency Prior for Image Super-Resolution
            Ao Li, Le Zhang, Yun Liu, and Ce Zhu
            International Conference on Computer Vision (ICCV), 2023
            [PDF]
            [Supplementary Material]
            [Code]
            [Official Version]
          
            Indiscernible Object Counting in Underwater Scenes
            Guolei Sun, Zhaochong An, Yun Liu, Ce Liu, Christos Sakaridis, Deng-Ping Fan, and Luc Van Gool
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2023
            [PDF]
            [Supplementary Material]
            [Code]
            [Official Version]
          
            Boosting Salient Object Detection with Transformer-based Asymmetric Bilateral U-Net
            Yu Qiu, Yun Liu*, Le Zhang, and Jing Xu*
            IEEE Transactions on Circuits and Systems for Video Technology (TCSVT), 2023
            [PDF]
            [Code]
            [Official Version]
          
            Mining Relations among Cross-Frame Affinities for Video Semantic Segmentation
            Guolei Sun, Yun Liu*, Hao Tang, Ajad Chhatkuli, Le Zhang, and Luc Van Gool
            European Conference on Computer Vision (ECCV), 2022
            [PDF]
            [Code]
            [Official Version]
          
            Coarse-to-Fine Feature Mining for Video Semantic Segmentation
            Guolei Sun, Yun Liu*, Henghui Ding, Thomas Probst, and Luc Van Gool
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2022
            [PDF]
            [Code]
            [Official Version]
          
            P2T: Pyramid Pooling Transformer for Scene Understanding
            Yu-Huan Wu#, Yun Liu#, Xin Zhan, and Ming-Ming Cheng
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2022
            [PDF]
            [Code]
            [中译版]
            [Official Version]
          
            EDN: Salient Object Detection via Extremely-Downsampled Network
            Yu-Huan Wu#, Yun Liu#, Le Zhang, Ming-Ming Cheng, and Bo Ren
            IEEE Transactions on Image Processing (TIP), 2022
            [PDF]
            [Code]
            [Official Version]
          
            MiniSeg: An Extremely Minimum Network Based on Lightweight Multiscale Learning for Efficient COVID-19 Segmentation
            Yu Qiu, Yun Liu*, Shijie Li, and Jing Xu*
            IEEE Transactions on Neural Networks and Learning Systems (TNNLS), 2022
            [PDF]
            [Code]
            [Official Version]
          
            A2SPPNet: Attentive Atrous Spatial Pyramid Pooling Network for Salient Object Detection
            Yu Qiu, Yun Liu*, Yanan Chen, Jianwen Zhang, Jinchao Zhu, and Jing Xu*
            IEEE Transactions on Multimedia (TMM), 2022
            [PDF]
            [Official Version]
          
            Zero Pixel Directional Boundary by Vector Transform
            Edoardo Mello Rella, Ajad Chhatkuli, Yun Liu, Ender Konukoglu, and Luc Van Gool
            International Conference on Learning Representations (ICLR), 2022
            [PDF]
            [Official Version]
          
            Semantic Edge Detection with Diverse Deep Supervision
            Yun Liu, Ming-Ming Cheng, Deng-Ping Fan, Le Zhang, Jia-Wang Bian, and Dacheng Tao
            International Journal of Computer Vision (IJCV), 2021
            [PDF]
            [Code]
            [中译版]
            [Official Version]
          
            SAMNet: Stereoscopically Attentive Multi-scale Network for Lightweight Salient Object Detection
            Yun Liu#, Xin-Yu Zhang#, Jia-Wang Bian, Le Zhang, and Ming-Ming Cheng
            IEEE Transactions on Image Processing (TIP), 2021
            [PDF]
            [Code]
            [中译版]
            [Official Version]
          
            DNA: Deeply-supervised Nonlinear Aggregation for Salient Object Detection
            Yun Liu, Ming-Ming Cheng, Xin-Yu Zhang, Guang-Yu Nie, and Meng Wang
            IEEE Transactions on Cybernetics (TCYB), 2021
            [PDF]
            [Saliency Maps]
            [中译版]
            [Official Version]
          
            MiniSeg: An Extremely Minimum Network for Efficient COVID-19 Segmentation
            Yu Qiu, Yun Liu*, Shijie Li, and Jing Xu*
            AAAI Conference on Artificial Intelligence (AAAI), 2021
            [PDF]
            [Code]
            [Official Version]
          
            MobileSal: Extremely Efficient RGB-D Salient Object Detection
            Yu-Huan Wu, Yun Liu, Jun Xu, Jia-Wang Bian, Yuchao Gu, and Ming-Ming Cheng
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2021
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            DOTS: Decoupling Operation and Topology in Differentiable Architecture Search
            Yuchao Gu, Lijuan Wang, Yun Liu, Yi Yang, Yu-Huan Wu, Shao-Ping Lu, and Ming-Ming Cheng
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2021
            [PDF]
            [Supplementary Material]
            [Code]
            [Official Version]
          
            Leveraging Instance-, Image- and Dataset-Level Information for Weakly Supervised Instance Segmentation
            Yun Liu#, Yu-Huan Wu#, Peisong Wen, Yujun Shi, Yu Qiu, and Ming-Ming Cheng
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2020
            [PDF]
            [Code]
            [中译版]
            [Official Version]
          
            Rethinking Computer-aided Tuberculosis Diagnosis
            Yun Liu#, Yu-Huan Wu#, Yunfeng Ban, Huifang Wang, and Ming-Ming Cheng
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR, Oral), 2020
            [PDF]
            [Project Page]
            [Dataset on Google Drive]
            [Dataset on Baidu Yunpan]
            [Online Challenge]
            [中译版]
            [Video]
            [PPT]
            [Official Version]
          
            Lightweight Salient Object Detection via Hierarchical Visual Perception Learning
            Yun Liu#, Yu-Chao Gu#, Xin-Yu Zhang#, Weiwei Wang, and Ming-Ming Cheng
            IEEE Transactions on Cybernetics (TCYB), 2020
            [PDF]
            [Code]
            [中译版]
            [Official Version]
          
            MS-TCN++: Multi-Stage Temporal Convolutional Network for Action Segmentation
            Shijie Li, Yazan Abu Farha, Yun Liu, Ming-Ming Cheng, and Juergen Gall
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2020
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            Ordered or Orderless: A Revisit for Video based Person Re-Identification
            Le Zhang, Zenglin Shi, Joey Tianyi Zhou, Ming-Ming Cheng, Yun Liu, Jia-Wang Bian, Zeng Zeng, and Chunhua Shen
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2020
            [PDF]
            [Code]
            [Official Version]
          
            GMS: Grid-based Motion Statistics for Fast, Ultra-robust Feature Correspondence
            Jia-Wang Bian, Wen-Yan Lin, Yun Liu, Le Zhang, Sai-Kit Yeung, Ming-Ming Cheng, and Ian Reid
            International Journal of Computer Vision (IJCV), 2020
            [PDF]
            [Project Page]
            [Code]
            [Video]
            [Official Version]
          
            Pyramid Constrained Self-Attention Network for Fast Video Salient Object Detection
            Yuchao Gu, Lijuan Wang, Ziqin Wang, Yun Liu, Ming-Ming Cheng, and Shao-Ping Lu
            AAAI Conference on Artificial Intelligence (AAAI), 2020
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            RefinedBox: Refining for Fewer and High-quality Object Proposals
            Yun Liu, Shi-Jie Li, and Ming-Ming Cheng
            Neurocomputing, 2020
            [PDF]
            [Code]
            [中译版]
            [Official Version]
          
            Richer Convolutional Features for Edge Detection
            Yun Liu, Ming-Ming Cheng, Xiaowei Hu, Jia-Wang Bian, Le Zhang, Xiang Bai, and Jinhui Tang
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2019
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            Nonlinear Regression via Deep Negative Correlation Learning
            Le Zhang, Zenglin Shi, Ming-Ming Cheng, Yun Liu, Jia-Wang Bian, Joey Tianyi Zhou, Guoyan Zheng, and Zeng Zeng
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2019
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            Scoot: A Perceptual Metric for Facial Sketches
            Deng-Ping Fan, ShengChuan Zhang, Yu-Huan Wu, Yun Liu, Ming-Ming Cheng, Bo Ren, Paul Rosin, and Rongrong Ji
            International Conference on Computer Vision (ICCV), 2019
            [PDF]
            [Project Page]
            [Supplementary Material]
            [Code]
            [Official Version]
          
            Multi-Level Context Ultra-Aggregation for Stereo Matching
            Guang-Yu Nie, Ming-Ming Cheng, Yun Liu, Zhengfa Liang, Deng-Ping Fan, Yue Liu, and Yongtian Wang
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2019
            [PDF]
            [Project Page]
            [Supplementary Material]
            [PPT]
            [Official Version]
          
            BING: Binarized Normed Gradients for Objectness Estimation at 300fps
            Ming-Ming Cheng#, Yun Liu#, Wen-Yan Lin, Ziming Zhang,  Paul L. Rosin, and Philip Torr
            Computational Visual Media (CVMJ), 2019
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            DEL: Deep Embedding Learning for Efficient Image Segmentation
            Yun Liu, Peng-Tao Jiang, Vahan Petrosyan, Shi-Jie Li, Jiawang Bian, Le Zhang, and Ming-Ming Cheng
            International Joint Conference on Artificial Intelligence (IJCAI), 2018
            [PDF]
            [Project Page]
            [Code]
            [中译版]
            [Official Version]
          
            Crowd Counting with Deep Negative Correlation Learning
            Zenglin Shi, Le Zhang, Yun Liu, XiaoFeng Cao, Yangdong Ye, Ming-Ming Cheng, and Guoyan Zheng
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2018
            [PDF]
            [Project Page]
            [Code]
            [Official Version]
          
            Sequential Optimization for Efficient High-Quality Object Proposal Generation
            Ziming Zhang, Yun Liu, Xi Chen, Yanjun Zhu, Ming-Ming Cheng, Venkatesh Saligrama, and Philip H.S. Torr
            IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI), 2017
            [PDF]
            
            [Code]
            [Official Version]
          
            Structure-measure: A New Way to Evaluate Foreground Maps
            DengPing Fan, Ming-Ming Cheng, Yun Liu, Tao Li, and Ali Borji
            International Conference on Computer Vision (ICCV, Spotlight), 2017
            [PDF]
            [Project Page]
            [Code]
            [PPT]
            [Official Version]
          
            Richer Convolutional Features for Edge Detection
            Yun Liu, Ming-Ming Cheng, Xiaowei Hu, Kai Wang, and Xiang Bai
            IEEE Conference on Computer Vision and Pattern Recognition (CVPR), 2017
            [PDF]
            [Project Page]
            [Code]
            [中译版]
            [Official Version]
          
            HFS: Hierarchical Feature Selection for Efficient Image Segmentation
            Ming-Ming Cheng#, Yun Liu#, Qibin Hou, Jiawang Bian, Philip Torr, Shi-Min Hu, and Zhuowen Tu
            European Conference on Computer Vision (ECCV), 2016
            [PDF]
            [Project Page]
            [Code]
            [中译版]
            [Official Version]